Mid-Century Ruby and Diamond Platinum Ballerina Ring

A mid-century oval ruby ballerina ring with round brilliant-cut diamonds and cushion-cut ruby accents, set in platinum. Circa 1960. 

• Center ruby:  3.02 carats, accompanied by an AGL report, Thailand origin, Heat Treated
• Accent rubies: 4.5 carats
• Diamonds: 0.50 total carat weight, G-I color, VS1-VS2 clarity 
• Size:  7 1/2; sizable